Home / 189,760.61-284,687.63-133,710.17

Finding the Fourth Proportional to 189,760.61, 284,687.63 and 133,710.17

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Solution

The fourth proportional to 189,760.61, 284,687.63 and 133,710.17 is: 200,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,760.61 : 284,687.63 = 133,710.17 : x
  2. Step 2: Convert to fraction form
    189,760.61/284,687.63 = 133,710.17/x
  3. Step 3: Cross multiply
    189,760.61x = 284,687.63 × 133,710.17
  4. Step 4: Simplify right side
    189,760.61x = 38,065,631,404.20
  5. Step 5: Solve for x
    x = 38,065,631,404.20/189,760.61
  6. Step 6: Final answer
    x = 200,598.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.